Memina today announced the availability of its USB flash drives. Featuring read/write speeds of up to 30Mbps (Rocket) and 18Mbps (Pocket Rocket), both models are backed by a lifetime warranty. Both drives weigh less than one ounce and come with a keychain and lanyard for easy portability. A rotating, never-lose cap prevents damage or data loss from dust, moisture and vibration. Storage capacities for the Rocket and Pocket Rocket range from 512MB to 4GB; pricing from one distributor ranges from $50 (512MB model) to $150 (2GB model), pricing for the 4GB model was unavailable.